Expands to: guest, TWikiGuest, (comma-separated list of the username, wikiusername, and emails)
With formatted output, using tokens $emails, $username, $wikiname, $wikiusername, $groups and $admin ($admin returns 'true' or 'false'):
Example: %USERINFO{ format="$username is really $wikiname" }%
Expands to: guest is really TWikiGuest
Retrieve information about another user:
Example: %USERINFO{ "TWikiGuest" format="$username is really $wikiname" }%
Expands to: guest is really TWikiGuest
Note: The parameter should be the wikiname of a user. Since TWiki 4.2.1, you can also pass a login name. You can only get information about another user if the {AntiSpam}{HideUserDetails} configuration option is not enabled, or if you are an admin. (User details are hidden in this TWiki)